on

If you _____ on breaking the law, you will go to prison

I do not intend to follow that, because we shall have an opportunity to do so on another ______.

He was educated at a local grammar school, _____ he went on to Cambridge.

We carved their names on the stone so that younger generations could know what their forefathers ____ for the nation.

I ordered ____ book on Mark Twain some time ago. ___ book has not arrived yet

在以下梯形图程序，D10中的初始值为H0，设某扫描周期中X0变成ON，则再经10个扫描周期后，D10中的值是（    ）

To call the music of anther music-culture “primitive” is ___one’s own standards on a group that does not recognize them

There is a group of ________ on the left of the painting

______ he was tired he went on working